TCDB is operated by the Saier Lab Bioinformatics Group
TCIDNameDomainKingdom/PhylumProtein(s)
1.W.2.1.1









Phage T5 portal protein of 403 aas (Huet et al. 2016). It forms the portal vertex of the capsid and plays a role in governing correct capsid geometry. This portal plays critical roles in capsid assembly, genome packaging, head completion protein attachment, and genome ejection. The portal protein multimerizes as a single ring-shaped homododecamer arranged around a central channel (By similarity). It binds to the terminase subunits to form the packaging machine (Huet et al. 2016).

Viruses
Heunggongvirae, Uroviricota
Portal protein of E. coli bacteriophage T5
1.W.2.1.2









Phage portal protein of 426 aas.  The third gene upstream from the protease gene encodes the portal protein for phage HK97. The presence of the portal protein is not required for assembly of the capsid protein in this system (Duda et al. 1995).

Bacteria
Pseudomonadota
PPP of Vibrio parahaemolyticus phage HK97
1.W.2.1.3









Phage portal protein of 416 aa

Bacteria
Bacillota
PPP of Clostridium botulinum
1.W.2.1.4









Uncharacterized protein of 414 aas

Bacteria
Armatimonadota
UP of Armatimonadetes bacterium CP1_7O (hot springs metagenome)
1.W.2.1.5









Phage portal protein of 469 aa

Bacteria
Actinomycetota
PPP of Bifidobacterium longum
1.W.2.1.6









HK97 family phage portal protein of 418 aa

Bacteria
Fusobacteriota
PPP of Fusobacterium nucleatum
1.W.2.1.7









Phage portal protein of 433 aa

Bacteria
Chlorobiota
PPP of Chlorobi bacterium OLB5
1.W.2.1.8









Uncharacterized protein of 455 aas

Bacteria
Campylobacterota
UP of Sulfuricurvum sp. MLSB (wastewater metagenome)
1.W.2.1.9









Uncharacterized protein sk1p04 of 378 aas

Viruses
Heunggongvirae, Uroviricota
UP of Lactococcus virus sk1
1.W.2.1.10









Phage portal protein of 658 aa

Bacteria
Deinococcota
Phage portal protein of Deinococcus actinosclerus
1.W.2.1.11









The (potential) pore-forming minor capsid protein of B. subtilis phage SPP1, gp7 of 308 aas and 0 putative TMSs (Vinga et al. 2006). See family description for details.

Viruses
Heunggongvirae, Uroviricota
Gp7 of Bacillus subtilis phage, SPP1. (Q38442)
1.W.2.1.12









Phage head morphogenesis, SPP1 gp7 family domain protein of 460 aas and 0 TMSs.

Bacillota
Gp7 of Clostridioides difficile
1.W.2.1.13









Uncharacterized protein of 814 aas

Bacteria
Actinomycetota
UP of Nocardia cyriacigeorgica
1.W.2.1.14









Minor capsid protein of 475 aa

Bacteria
Pseudomonadota
Capsid protein of Haemophilus influenzae
1.W.2.1.15









Minor capsid protein of766 aa

Viruses
Heunggongvirae, Uroviricota
Capsid protein of Gordonia phage Tangent
1.W.2.1.16









Uncharacterized protein of 359 aas and 1 N-terminal TMS

Bacteria
Bacillota
UP of Macrococcus canis
1.W.2.1.17









Uncharacterized protein of 503 aas

Bacteria
Bacteroidota
UP of Rudanella sp.
1.W.2.1.18









Uncharacterized protein of 538 aas

Viruses
Heunggongvirae, Uroviricota
UP of uncultured Mediterranean phage uvMED
1.W.2.1.19









Uncharacterized protein of 1030 aas

Archaea
UP of Candidatus Pacearchaeota archaeon (marine metagenome)
1.W.2.1.20









Uncharacterized protein of 341 aas

Bacteria
Pseudomonadota
UP of Oceaniglobus sp. YLY08
1.W.2.1.21









Phage head morphogenesis protein of 298 aa

Bacteria
Pseudomonadota
Morphogenesis protein of E. coli